Description
This inverter driver board integrates the SG3525 PWM controller and LM358 dual op-amp to create a robust and efficient driver for high-power inverter circuits. It offers stable PWM generation, voltage regulation, and signal amplification, making it ideal for building DC-AC inverters, UPS systems, and power control modules.
Key Features
- SG3525 PWM IC: Generates stable, high-frequency switching signals
- LM358 Op-Amp: Dual operational amplifier for voltage control and feedback
- High Efficiency: Suitable for full-bridge and push-pull inverter topologies
- Wide Voltage Input: Compatible with 12V–24V DC systems
- Adjustable Frequency: Supports external timing components
- Integrated Feedback: Enables voltage or current regulation
- Easy to Interface: Connects directly to MOSFET drivers or power stages
Specification
- Controller IC: SG3525 (PWM controller)
- Op-Amp IC: LM358 (dual op-amp)
- Input Voltage: 12V – 24V DC
- PWM Frequency: ~20 kHz – 100 kHz (adjustable)
- Output Type: Dual PWM (push-pull or H-bridge input)
- Duty Cycle: Adjustable via timing resistors/capacitors
- Feedback Support: Voltage or current-based regulation via LM358
- Board Size: ~50 mm × 45 mm (varies by version)
- Weight: ~15–20 g
Application
- Pure sine wave and modified sine wave inverters
- Uninterruptible power supplies (UPS)
- DC to AC inverter projects
- Solar inverters and battery-based systems